The entry of a DANA will cause a sudden change of the weather


The influence from Monday of an isolated depression at high levels (DANA) will cause a drastic change in the weather all week, will be recorded snowfall at relatively low elevations in large areas of the Peninsula, heavy and persistent rainfall in the northeast quadrant of the peninsula and rains in the Balearic Islands and the Community of Valencia, according to the State Meteorological Agency (Aemet).

The storm of rain and snow has activated the alerts and while the Ministry of Transportation has 412 snowplows and 57,214 tons of flux ready, the DGT recommends planning your trips well. All authorities ask for great caution.

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According to forecasts of the Aemet, Aragon will be in orange notice due to snowfall and in yellow It will be Asturias, Cantabria, Castilla y León, Castilla-La Mancha, Catalonia and the Community of Madrid. Due to rains or storms, the Balearic Islands and the Valencian Community will be warned.

A “drastic change” of the weather is expected on Monday

This change in time is due to the entry of a DANA from the north of the peninsula, coming from high latitudes, which will evolve to a cold squall, isolated from the general circulation, which will affect the Peninsula and the Balearic Islands, and at low levels, very cold air of polar origin will enter.

As a consequence, as of Monday weather “drastic change” is expected, consisting of precipitation in the form of snow at relatively low levels in large areas of the Peninsula and a “sharp drop” in temperatures.

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Lthe snow level will descend around 800-1,000 meters in the northern half, affecting snowfall especially in the Cantabrian mountain range, where thicknesses of around 10 centimeters can be reached.

Will be produced less intense snowfall in the Central System and the Iberian System, with the probability of exceeding five centimeters. The snowfalls could also affect lower areas in the south of Castilla y León and northeast of Castilla La Mancha and, occasionally, in the Community of Madrid.

The drop in temperatures It will take place mainly in the northern half of the peninsula, where it will be noticeable in large areas.

Tuesday, the “hot” day

The Tuesday will be the most “hot” day of the meteorological episode, when a shift to the southeast is expected in the areas where snowfall will be more intense, with greater accumulations in the Iberian System, especially in the eastern areas of Castilla-La Mancha, Teruel, western Zaragoza, Soria and La Rioja, as well as in the central Pyrenees.

They will also be recorded in the Cantabrian mountain range and Central system, where the highest intensities will move towards the east of the area and where it is likely that 20 cm thick will be exceeded during this day in the Iberian system, and also in high areas of the Pyrenees central.

On that day, in addition, intense and persistent rainfall is expected in the Ebro valley and eastern Catalonia, which will be accompanied by a storm. The drop in temperatures that began on Monday will extend to the rest of the Peninsula on Tuesday.

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The Wednesday, although with greater uncertainty, snowfall will be likely in the same areas, but in a less intense way. In the middle of the week, it is expected that temperatures start to rise in wide areas.

The Thursday it is likely that the storm will recede to the east and that be replaced by another from the north, so that the winter weather will be maintained at least until the end of the week, according to Aemet.


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George Holan

George Holan is chief editor at Plainsmen Post and has articles published in many notable publications in the last decade.

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